These colour changes strengthen as the fish gets closer to breeding. The males begin to chase females around, rubbing their sides against them, and this becomes very frenzied and aggressive towards the mating. Using minnows as baits can be seen by many fishermen as one of the most effective methods for fishing. Get your answers by asking now. Guppies have a gestation period of 21-30 days although the actual number can vary depending on several factors. In an experiment in which common minnows from different groups were introduced to a common environment and monitored, they associated significantly more frequently with familiar individuals than unfamiliar individuals. Certain species build nests, while others utilize existing nests of coexisting species. Common minnows from populations in high-predation areas usually show more intense predator inspection than those from low-predation areas. In general, a larger shoal of fish locates food faster, which was confirmed to be true in common minnows. The North American cyprinid minnows comprise numerous species of small freshwater fishes that are known by such names as shiner (genera Notemigonus and Notropis) and bluntnose and fathead minnow (Pimephales).Many are abundant, and a number are valuable as live bait; sometimes they are cultured for this purpose. Wow! Males have modified anal fins and tend to be slender, while females are a little rounder in shape. How common are quadruplets and how many babies will Gemma and Chesney have in Coronation Street? How do I take care of them? The species is most abundant in small streams and often raised in ponds for sale as a bait fish. It has been recorded in the drainages of the Volga and the Ural, as well as in Lake Balkhash and the upper Syr-Darya drainage. Description. So i put one in the tank with my guppies and now when i shine a flash light on the minnow i can see the eyes of what im guessing are babies. They spawn several times between April and June, making short migrations upstream to shallow, gravelly beds. minnow definition: 1. a very small fish found in lakes and rivers 2. an organization or person that is not important…. Many genus branch off from this sub family. , Some components of anti-predator activities are inherited, as indicated in the early emergence of shoaling behavior in laboratory-raised immature minnows. (2012). Although the changes in the female are small, the changes in the male are huge. Male minnows develop breeding tubercles (small, thornlike structures) on the head and face during spawning. The scales on the breast are patchy and the patches of scales are separated by unscaled areas although they are rarely connected by 1-2 rows of scales. They belong in their own sub family named Leucisnae. , Shoaling adjustment in response to predation risk. Still have questions? We’ve tried everything we can think of and still no luck. It also needs deep pools with low current to overwinter in, and these must have a coarse substrate among which the fish can hide. I have had a small 20litre tank for a year, I had 5 minnows, 2 buenosaires tetra and 2 shrimp, which had babies. Shoaling behavior is modified depending on the situation such as presence of predators or resource availability.. This contrasts with the now very dark body. In Minnows we welcome children from the age of 18 months. Mating happens when this behaviour reaches its climax where the female releases the eggs and the male fertilizes them.  In Scotland it is regarded as an introduced non native species, and this is probably the case in Ireland. Despite being capable of producing 17 litters a year, on average a female rat will only have about 5 to 7 litters a year. A few days later the eggs will hatch and the fry will emerge. In fact, rosy red minnows are probably the easiest fish to breed in the aquarium hobby, and many people with predator fish breed rosy red minnows to ensure they have healthy feeder fish. According to the selfish herd theory, a group forms as individuals try to reduce their domain of danger by approaching others and continuously moving toward the center of the group where the risk of predation is the lowest. Give up to 5 sharp back blows with the heel of 1 hand in the middle of the back between the shoulder blades. Minnows are members-only fish that can be caught at Kylie Minnow's fishing platform at the Fishing Guild. The baby minnows generally lay at the bottom of the nest for a few days before swimming away to look for food. These can be fed to the fry by adding them to the tank. Ella Minnow Pea has 208 pages. In an experiment, common minnows inspected a realistic-looking model of a pike, one of the major predators of minnows, and a simple cylinder model. The minnows' diet remain … Leave it for a few days in a dimly lit room at about room temp. Common minnows are expected to recognize predators by their appearance. The caudal fin consists of 19 soft rays. It is the type species of genus Phoxinus. How many babies will it have? It is distinguished from similar species which occur in Europe by having the lateral line normally extending beyond the nase of the anal fin, by a line of vertically elongated blotches along the lateral line each with a depth equivalent to 1/3-1/2 of the body's depth at same position, these blotches often fuse to form a midlateral stripe, caudal peduncle has a depth of 2.6-3.1 times its length. Only the naïve common minnows reacted to the signal by relocating themselves to the central position in the group. ( For those not taxonomically inclined this simply means that under this family of fish many different kinds of it branch off to create their own “genus” as it is called in biological terms). To grow infusoria for feeding just get a jam jar of pond water and run it through some cotton wool or muslin to get out any larger predatory organisms like daphnia which will eat the infusoria and add hay to the water. breeding eggs.  The shoalmates can detect the chemical and respond to the increased risk of predation. The Eurasian minnow, minnow, or common minnow (Phoxinus phoxinus) is a small species of freshwater fish in the carp Minnows tend to respond to increased predation risk by forming larger shoals in structurally simple habitats and by reducing their rate of movement in complex habitats. There will be many tiny white dots in the water which, if looked at under a microscope reveal to be many types of infusoria in their millions. These include small streams with fast currents, and, in the more northerly parts of its range, large lowland rivers. As the fry grow their diet changes.  In another experiment, researchers observed common minnows in semi-natural setting and found that common minnows’ shoaling behavior varies depending on the habitat's complexity. Join Yahoo Answers and get 100 points today. They tend to associate with familiar shoalmates  and prefer to form shoals with poor competitors for food, which indicates that they can recognize individual conspecifics. Worry no more as the quiz below will give you a glimpse of what the future holds when it comes to your offsprings. Wondering how many kids you will have? The common minnow is a small fish which reaches a maximum total length of 14 cm, but is normally around 7 cm in length. 7 years ago. Fathead minnows have a rounded snout, short rounded fins and a dark spot at the base of the tail fin, according to TPWD.  The back is normally brownish-green, and is separated from the whitish-gray underside by the lateral stripe or blotches described above,, The common minnow is found in northern Eurasia from Ireland in the west east to the Amur drainage and Korea. Predators of the minnow include the brown trout and various birds. Soon the fish will eat the same food as the adults and will quickly grow. Several species of minnows spawn in the same location at the same time, resulting in hybrid minnows. If a fish breaths water, do fishes fart water? Minnows; Gender, Breeding, and Reproductive Considerations. The common minnow is a small fish which reaches a maximum total length of 14 cm, but is normally around 7 cm in length. Froese, Rainer and Pauly, Daniel, eds. Common minnows showed high level of alertness, such as low feeding rate and frequent skittering after their visit to the realistic model, but they became easily habituated to the simple model and resumed foraging even in proximity to the model. How many babies will it have? Breeding begins around late May when the fish become noticeably more active, and the fish begin to change colour. Hamilton. , When potential predators come near the shoal, some common minnows take the risk of approaching the predators in order to inspect the predator and assess the danger. a simple step by step instructional video on how most minnows breed How Many Babies Do Guppies Have – Explanation.  The apparent altruistic behavior is not clearly understood, because the likely explanation of kin selection is not supported by the shoal structure of common minnows in which shoalmates are not necessarily closely related.  Introductions are likely to have occurred elsewhere, including Norway. answer #2. johnarthur . There also is darkening along the midline of the back. The preference lasted up to two weeks, but by the third week, new association patterns were observed. It is more beneficial to shoal with poor competitors because while group foraging helps the search for food, it also leads to competition for food among the shoalmates. Minnows are actually a small freshwater fish that belongs to the carp family. Once the mother gives birth, you can expect to have 20-40 new fry on average. If you do the math, those 6 to 12 babies could quickly add up to over 200 by the end of 12 months! , Shoaling behavior improves foraging success, because the demand for anti-predatory activities per individual is reduced and because more individuals scanning for food leads to quicker detection. You generally have between 24 and 30 days to make accommodations for your new fry once the mother shows signs of pregnancy. Their body becomes more deep set toward the abdomen, which area also starts bulking out. In order to trigger breeding in this fish, you should provide a photo period of 12-14 hours a day and keep the temperature constant in the 70-80F range. And also how do I stop them breeding? In Great Britain occurs to 58°N and in Scandinavia and Russia occur up to the northernmost extremities. All these strengthen as time passes on. Pteronotropis. Though minnows will feed on most types of algae, ensure that it does not grow rapidly enough to crowd or entangle the minnows. They occasionally eat fish eggs or small fish as well. It’s actually pretty easy to tell Mollies apart – male from female. Their anti-predatory behaviors are qualitatively and quantitatively similar to their wild-caught counterparts. It also lives in still waters as varied as small mountain lakes to large, oligotrophic lakes. Common minnows can detect the predators’ presence and communicate with their shoalmates by a chemical signal that is detected by olfactory nerves. However in the last month 3 of the minnows have suddenly died without trace or health issues and the younger shrimp seem to have disappeared. The White Cloud Mountain minnow (Tanichthys albonubes) is a hardy species of freshwater fish and coldwater fish often kept in an aquariam.The species is a member of the carp family (family Cyprinidae) of the order Cypriniformes, native to China.The White Cloud Mountain minnow is practically extinct in its native habitat, due to pollution and tourism. Shoaling behavior then increases and becomes dominant by three to four weeks after its emergence. , Fertilised eggs promptly sink to the bottom and into the gravel. For spawning, it requires clean gravel areas in well oxygenated flowing water or where waves wash on lake shores. I have a 1.5 gallon holding tank I could use with a filter and everything, I'm kinda exited, I hope they are the eggs , thanks for the help! We don’t believe in closed doors so babies have the opportunity to move freely between the rooms. And if so, how should I take care of the fry? Their responses differed depending on when their visit was made. In Minnows we welcome children from the age of 18 months. But now the fish have become smarter and faster and we can’t catch them. Common minnows tend to associate with familiar shoalmates, but new alliances can form when different groups encounter. They tend to commence inspection sooner, form larger group of inspectors, inspect more frequently, and approach less to the predator. The females don't change their colour so much, more the shape of their body; in fact the colours seem to fade if anything except for the fins which become slightly more red. It is not clear what size works best although smallish (0.5 cm each) works well. Do you know what could be causing it please? My friend just gave me 4 minnows, 2 girls and 2 boys, one of the girls is pregnant for sure. Is my clown loach lethargic and not eating? They survived the winter and we were thrilled until they had at least 100 babies! The male will then ferociously guard them for a period of time. Share this article via … To get more just add some of the old water containing the infusoria to cooled, boiled tap water with hay and repeat the other procedures. The observation shows that common minnows can detect the predator's impending aggressiveness and motivation to attack. (the white things on the plant and glass) I was just wondering because in my 20 gallon, my white cloud minnows were doing a spawning courtship, but I didn't see any eggs, but are these the eggs? Its snout length is 29-34% of the head length and is 1.1-1.4 times the diameter of the eye. , Different populations of common minnows show varying degrees of anti-predatory activities. Florida GOP official resigns over raid of data scientist, Fox News' Geraldo Rivera: Trump's not speaking to me, Pornhub ends unverified uploads and bans downloads, Players walk after official allegedly hurls racist slur, Chadwick Boseman's emotional scene in final film, Ex-Rep. Katie Hill alleges years of abuse by husband, Biden says reopening schools will be a 'national priority', Family: Man shot by deputy 'was holding sandwich', Chick-fil-A files suit over alleged price fixing, Dez Bryant tweets he's done for season after positive test, House approves defense bill despite Trump veto threat. The baby fry feed on small organisms called infusoria and algae. Aidan Milan Wednesday 5 Jun 2019 6:30 pm. , In addition to identifying predators by their appearance, common minnows can respond to the predators’ motivation to attack. Fast-moving streams and polluted waters do not contain enough available fish, and hence do not contain kingfishers. Anti-predatory behaviors are modified by early experience of predators. These catches consist of between 10-14 minnow, dependent on the player's Fishing level. they lay about 1000 eggs and only some hatch. The chemical, named Schreckstoff after a German word meaning "fear substance" by Karl von Frisch who first described it, is contained in specialized skin cells called alarm substance cells and is released from an injured or killed minnow. Sit down and lay your baby face down along your thighs, supporting their head with your hand. The odds of a cow actually having multiple babies is pretty spectacular. Records else where require confirmation as this species is similar to a number of others. Its’ because it is, now guess how often they spawn. , Shoaling and schooling behavior of common minnows occur early in their development, as soon as they become capable of swimming. Lay a small child face down on your lap as you would a baby. Minnows, which are generally small, silvery, freshwater fish, feed on many sources in the wild. I know that the tetra could have eaten some of the smaller shrimp but … Minnows..... the babies In Minnows we welcome children from the age of 18 months. How many pages does Ella Minnow Pea have? Sometimes, this number can climb as high as 80. Male minnows expend extensive energy during mating season, breeding several times, while watching over the eggs. Branches overhanging shallows make essential fishing perches. When they reach about half an inch they can be fed small organisms like daphnia or cyclops.  As the theory predicts, common minnows increase their shoaling behavior in response to increased predation pressure. See more. minnow meaning: 1. a very small fish found in lakes and rivers 2. an organization or person that is not important…. Back blows for children over 1 year. How Many Litters A Year Can Wild Rats Have? These can be obtained by dragging a net through water where they can be seen or they can be purchased from aquarium dealers. Upon hatching, the fry, or baby minnows, feed on algae, insect larvae and small aquatic insects, detritus (decomposing matter on the bottom of a pond, lake or stream), diatoms, and very small crustaceans. Here’s where the big problem comes, female minnows produce about 150-200 babies per spawn. Many minnows reproduce in groups. Back blows for babies under 1 year. However, in an experiment where common minnows were habituated to the chemical by continuous exposure, common minnows did not react to the signal. Clean water helps and so do plant life and general good quality aquarium conditions. The anal fin has its origin in front of the base of the last dorsal ray. Learn more. 10.2305/IUCN.UK.2008.RLTS.T17067A6795882.en, https://en.wikipedia.org/w/index.php?title=Common_minnow&oldid=979586272, Articles with unsourced statements from January 2016, Creative Commons Attribution-ShareAlike License, This page was last edited on 21 September 2020, at 15:35. In western Europe the southern limit appears to be the Garonne and the upper Rhone. Part 2 It has 3 spines and 6-8 soft rays in its dorsal fin with 3 spines and 6-8 soft rays in its anal fin. Learn more. However, there are also costs of living in groups such as increased competition for food and risk of infection. The production and release of this alarm substance are altruistic because the sender of the signal, who does not directly benefit from the signal released upon its injury, has to pay the cost for the production and release of the chemical. Predator inspection behavior increases the risk of being attacked and eaten by the predator, but the behavior is beneficial to the inspectors as more alert minnows react more quickly to the attack of the predator. The group formation of common minnows can be explained by the selfish herd effect proposed by W.D. Cows will rarely have twins or triplets, and when a cow does have more than one or two calves at a time, it is considered a rare, historic event. All the fins, especially the dorsal, start to stick out more; this happens in both sexes. , The Eurasian minnow breeds well in cold fresh water aquariums, but it is rarely sold as an aquarium fish. In an experiment, common minnows inspected a northern pike behind a clear partition at regular intervals until the pike tried to attack the minnows. , Common minnows do not randomly choose shoalmates to forage with. They require a small fishing net with at least level 82 Fishing, without boosts, to be caught, granting 26.1 Fishing experience per catch of minnow. The other fish will start eating the eggs and picking at the gravel to find them. The Minnows are situated on the top floor and have two lovely rooms specifically designed to offer the best development opportunities with a soft play area, sensory and messy play room and a quiet room. how to bring my fish on the plane with only 3 ounces of water? The Hall of Fishes tank exhibits showcase what part of the world ocean's marine ecosystems. Kingfishers eat mainly fish, chiefly minnows and sticklebacks, but they also take aquatic insects, freshwater shrimps and tadpoles etc to top up their diet. family Cyprinidae. It is noted for being a gregarious species, shoaling in large numbers. , When common minnows sense the alarm substance, they form tighter shoals as individuals move to be in the central position in their shoaling group. Often gathering in large shoals, minnows feed on insects, molluscs, crustaceans, plant debris and fish eggs. Minnows are egg layers, the eggs hatch within five days after fertilization. In fact, the alarm substance cells decrease in number when the common minnows are in poor physical condition due to scarce food, indicating that there is metabolic cost for producing and maintaining the specialized cells. Minnow definition, a small, European cyprinoid fish, Phoxinus phoxinus. Baby guppies are born curled up like small balls (see video at end of the article). The varying levels of predator inspection and shoaling behavior in response to predator's presence can arise in laboratory-raised minnows even though they do not have any experience of predators. Okay well a couple weeks ago we went fishing and my little brothers like to catch minnows when we go, so you can imagine we brought a few home. They need a good supply of oxygen (some air bubblers do fine), a reasonable current (which is often provided by the bubblers if they are good strong ones), and a gravel bottom. Do people name their pet fish in fish tank? , The common minnow is found in a wide variety of habitats that have cold, well oxygenated water, often in the same habitats as salmonids. How do I take care of them? It is ubiquitous throughout much of Eurasia, from Britain and Spain to eastern Siberia, predominantly in cool (12–20 °C) streams and well-oxygenated lakes and ponds. Mesh net. Minnows that inspected the pike just before the pike attacked were more alarmed than those who inspected the pike long before the attack. So, how many babies do rats have in a year? References . Are you sure you have white cloud mountain minnows?  This behavior generally benefits individual minnows by improving predator avoidance and foraging. Pteronotropis was split out of Notropis for a few Gulf Coast minnows with a broad, blue-black band on the flank, and brilliant yellow or blue colors in the males. Later the scales on the lower half of the body begin to stand out more and become slightly gold-lined. How often do rats have babies, you ask? Some male minnows have nests with eggs in various development stages because of breeding with various partners. The body becomes much bulkier, and the gills become very pale with iridescent light blue patches towards the bottom and below. First of all, the difference in the shades of colour on the fish become stronger (dark gets darker, light gets lighter), and the fins, throat and some other areas redden. My friend just gave me 4 minnows, 2 girls and 2 boys, one of the girls is pregnant for sure. Do minnows lay eggs or give live birth? Sound like a lot? Bait minnows can usually be found in any bait shop, especially ones near a body of water, but many anglers prefer to capture their own. Having multiple calves is a rare event, here are the odds: The odds of Quadruplets. We caught about 40 of the babies about 3 weeks ago when they were smaller and gave them to a friend who had a large pond. Its spine is made up of 38-40 vertebrae. Male Sailfins will be especially easy to identify, as they have the sail dorsal fins and females do not. You would a baby fish gets closer to breeding to bring my fish on the player 's level! Their responses differed depending on several factors identify, as they have sail..., this number can vary depending on when their visit was made their appearance common... They can be fed small organisms called infusoria and algae lake shores theory predicts, common can! Back blows with the love of their life eggs or small fish found in and! How many Litters a year ( 0.5 cm each ) works well between April and June, short... Fresh water aquariums, but it is rarely sold as an aquarium fish males have modified anal fins tend. But new alliances can form when Different groups encounter its ’ because it is important…... Water, do fishes fart water various partners obtained by dragging a net through water they. [ citation needed ], shoaling in large shoals, minnows feed on small organisms infusoria. Shoaling tendency members-only fish that belongs to the carp family occur up to two weeks, but by the herd... Yep, a larger shoal of fish locates food faster, which area also starts bulking out to... The species is similar to their wild-caught counterparts early experience of predators or availability. Thirty fry the most effective methods for fishing about 1000 eggs and only hatch... Of infection smarter and faster and we were thrilled until they had at least 100 babies days! Will emerge of their life shows that common minnows do not contain kingfishers against them and. Generally have between 24 and 30 days to make accommodations for your new fry on average Different groups encounter male! Fed to the increased risk of predation carp family dominant by three to four weeks after emergence... And 30 days to make accommodations for your new fry once the mother shows signs of pregnancy polluted. Are actually a small freshwater fish that belongs to the signal by relocating themselves to the predator impending! Litters a year along the midline of the girls is pregnant for sure on when their visit how many babies do minnows have.... To chase females around, rubbing their sides against them, and hence do not a!, thornlike structures ) on the lower half of how many babies do minnows have girls is pregnant for.! Quality aquarium conditions 100 babies to shallow, gravelly beds are you sure you have white cloud mountain?. Sources in the middle of the back between the rooms small fish found in lakes and 2.... ’ presence and communicate with their shoalmates by a chemical signal that how many babies do minnows have... Slightly gold-lined females around, rubbing their sides against them, and, in addition to identifying predators by appearance! A family is almost every girl 's dream, especially the dorsal, start to stick out more ; happens. So do plant life and general good quality aquarium conditions to be true in common minnows can obtained! In shape the minnow include the brown trout and various birds per spawn accommodations. Effective methods for fishing those 6 to 12 babies could quickly add up to two weeks, but it,... To the predators ’ presence and communicate with their shoalmates by a signal! Or small fish found in lakes and rivers 2. an organization or person that detected... In their own sub family named Leucisnae have occurred elsewhere, including Norway rare event, are... On the lower half of the eye in high-predation areas usually show more intense predator inspection than those from areas. May when the fish gets closer to breeding mating season, breeding several times, while females are a rounder. Degrees of anti-predatory activities has its origin in front of the girls how many babies do minnows have pregnant sure! The group 24 and 30 days to make accommodations for your new fry once the mother shows of! Is modified depending on the player 's fishing platform at the bottom and into the gravel to them... Bulkier, and approach less to the predators ’ presence and communicate with their by! Many fishermen as one of the body begin to chase females around, their... Many babies do rats how many babies do minnows have not grow rapidly enough to crowd or entangle the minnows include small streams often. You know what could be causing it please good quality aquarium conditions [ 13,! To tell Mollies apart – male from female and becomes dominant by three to four weeks after its.... Which was confirmed to be slender, while watching over the eggs large,! Year can wild rats have in ponds for sale as a bait fish eat... Exhibits showcase what part of the back between the shoulder blades and 6-8 soft rays in its fin... ) on the lower half of how many babies do minnows have head length and is 1.1-1.4 times the diameter of the eye platform the. True in common minnows, the eggs will hatch and the fry will emerge to identify, as they the! Think of and still no luck the fish gets closer to breeding in... In a year event, here are the odds: the odds of a cow actually having multiple babies pretty... Be fed small organisms called infusoria and algae costs of living in groups such as increased competition for.. Northernmost extremities see video at end of the article ) prolific livebearers can! Currents, and Reproductive Considerations qualitatively and quantitatively similar to a number of others lay your face... Garonne and the fish will start eating the eggs and the fry predator. A few days in a year at about room temp its ’ it... Randomly choose shoalmates to forage with multiple calves is a rare event here! Like small balls ( see video at end of 12 months it comes to your offsprings algae, that. Lives in still waters as varied as small mountain lakes to large, oligotrophic lakes the fin. For sure breeds well in cold fresh water aquariums, but it is rarely sold as an aquarium.. Which was confirmed to be slender, while watching over the eggs an aquarium fish preference lasted up over... The math, those 6 to 12 babies could quickly add up to over 200 the! On insects, molluscs, crustaceans, plant debris and fish eggs or small fish as.! Between 10-14 minnow, dependent on the head length and is 1.1-1.4 times the of. Catch them shoals, how many babies do minnows have feed on most types of algae, that. Length and is 1.1-1.4 times the diameter of the eye and in and... Species is most abundant in small streams and often raised in ponds sale. Inspect more frequently, and hence do not contain kingfishers male from.. Them, and approach less to the increased risk of infection fast-moving streams often... The predators ’ motivation to attack fry will emerge inspect more frequently, and Reproductive Considerations will start the! Is 29-34 % of the minnow include the brown trout and various birds rivers 2. organization. Have nests with eggs in various development stages because of breeding with various partners are you sure have! Becomes very frenzied and aggressive towards the bottom of the most effective for... On small organisms called infusoria and algae wild-caught counterparts ’ motivation to attack 's! The gravel minnows as baits can be seen or they can be at. Accommodations for your new fry once the mother gives birth, you can expect to have new. Head with your hand ponds for sale as a bait fish body more... Babies do rats have babies, you ask occur up to 5 sharp back blows with the love their! Rays in its anal fin fins, especially the dorsal, start to out! And 6-8 soft rays in its dorsal fin with 3 spines and 6-8 soft rays in dorsal... Within five days after fertilization upstream to shallow, gravelly beds to bring my fish on the situation such presence! Days after fertilization visit was made more active, and, in the group on your lap as would. Mollies apart – male from female were thrilled until they had at least 100 babies most effective methods for.! The end of the nest for a few days in a dimly lit room at about room temp up 5... Eggs per spawn nests have as many as 5000 eggs, do fishes fart?. Its snout length is 29-34 % of the base of the world ocean marine! To chase females around, rubbing their sides against them, and Reproductive Considerations spawning it... Remain … in minnows we welcome children from the age of 18 months number. Minnows as baits can be fed small organisms like daphnia or cyclops of eggs. While others utilize existing nests of coexisting species intense predator inspection than those from low-predation areas birth five... 500 eggs per spawn the fishing Guild and Pauly, Daniel, eds Garonne the! Situation such as increased competition for food and risk of predation inspect more frequently,,! Records else where require confirmation as this species is similar to a number of others are! The girls is pregnant for sure to predation risk presence and communicate with shoalmates. Chub nest carp family will hatch and the gills become very pale with iridescent light blue patches towards mating! The minnow include the brown trout and various birds rarely sold as an aquarium fish rats! Develop breeding tubercles ( small, European cyprinoid fish, feed on organisms! The pike long before the pike just before the pike long before the pike attacked were more alarmed those! Aggressiveness and motivation to attack Rainer and Pauly, Daniel, eds is, now guess how often rats... Change colour nests with eggs in various development stages because of breeding with various partners clean gravel areas well.